Pesticide Toxicity Toxicity decreases when mixed (diluted) with water 1 gallon of pesticide in 1 gallon of water is 50%less toxic 1 gallon of pesticide in 20 gallons of water is 95%less toxic Pesticide Toxicity • Toxicity decreases when mixed (diluted) with water • 1 gallon of pesticide in 1 gallon of water is 50% less toxic • 1 gallon of pesticide in 20 gallons of water is 95% less toxic